![]() ![]() In the System-tab, uncheck the floppy from boot order.With the new machine selected, click Settings in the toolbar and make the following adjustments: As the virtual harddisk will grow with it's contents, its size does not matter (in terms of the virtual disk's file size). ![]() I will use one CPU and 1024MB of RAM (less RAM will not allow you to use the graphical installer).Ĭhoose VirtualBox' own format for dynamically allocating a new virtual harddisk ( VDI (VirtualBox Disk Image)) and give it a reasonable size to enable users the installation of everything they need. In terms of system resources, keep the machine minimal - number of CPUs and RAM size can later easily be changed in each user's Vagrantfile. As I will build a minimal CentOS 7 box in this article, so I name it vagrant-centos-7-minimal. ![]() Per convention, Vagrant boxes should adhere to some guidelines - you do not have to follow these rules, but other users will thank you when you release your box for public use.įirst of all, Vagrant boxes should be named vagrant. When you are done, create a new virtual machine by clicking the New button in VirtualBox' GUI. If you haven't installed VirtualBox yet, download it from here and install it. It is based on Vagrant's documentation on creating a base box. ![]() This task is not trivial, so I want to share my knowledge with this step-by-step tutorial in case you want to build your own Vagrant base box. That's why I decided to build my own base box. While working on Efficient Rails DevOps, I needed to quickly spin up a virtual machine with a minimal CentOS 7 installation (and more importantly: enable readers to do so) but I could not find a suitable machine on (formerly ) to build upon. It allows you to spin up a virtual machine (or even a whole network of VMs) with basically one command. Vagrant is a tremendously useful tool for developers and operators. ![]()
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